Wiwdow-ciieahiasrcr device



May 17, 1927. I

M. .CHRISTELER wmnow CLEANING DEVICE I Filed July 14. 1926' Z Z 9 5 m M!Z 6 4. I z 1 Z =1 .5 6 5 4 m z a A Z/ 44.9. N WW4 m a r WW K a a 3 zINVENTOR ATTORNEY Patented May 17, 192.7.

UNITE STATES MARIE OHRISTELER, OI" UTIGA, NEVI YORK.

WINDOW-CLEANING DEVICE.

Application filed July 14,

The main object of this invention is to provide a window cleaning devicewhich is simple in construction and inexpensive in cost of manufacture.The invention introduces a mobile carriage, a reciprocating pad, andstrings for moving said pad in a vertical plane.

Another object is to provide a window cleaning device having a hingedarm which may be rotated out of position when it is de sired to replaceone form of pad by another.

The above and other objects will become apparent in the descriptionbelow, in which characters of reference refer to like-named parts in thedrawing.

Referring briefly to the drawing, Flgure 1 is a side elevational view ofthe cleaning device as applied to a window.

Figure 2 is a rear end elevational View of the same.

Referring in detail. to the drawing, the numeral 10 indicates the lowerhorizontal bar of a window sash. Said bar is part of three additionalmembers which encase a window pane 11. The bottom bar 10 of the windowsash saddlesor is cradled in a U- shaped bracket consisting of a plate12 and sides 13 and 14, which latter extend upwardly. The side 14 has acut-out portion intermediate its length in which the lower end of arectangular guide post 15 is pivotally secured by a pin 16. The U-shapedbracket is supported upon wheels 17 and 18 which are pivoted betweenplates 19 and 20, said plates being angular and having one oil. theextending portions rigidly attached to the bottom of theU-shapedbracket. The post 15 serves as a guide for a pad 21 which is mounted ona block 22. The block 22 is provided with a sleeve 2? which fits overthe post 15 and is slidably mounted on the latter. At the upper end ofthe post lb, 21 grooved pulley 24 is rotatably mounted on a spindle Theupper end of the block 22 has an eye hook at tached thereto to which oneend of a cable 26 is secured. This cable is trainedabout half theperiphery of the grooved pulley 24 and extends downwardly to the lowerend of the device at which point it is trained about a grooved pulley27, which latter is rotatably fixed between cars 28. I An additional.cable 29 is attached to the lower end of the block 22 and suspendsdownwardly toward the lower end of the device and at the lower end it istrained for a quarter of a turn around a grooved pulley 30 and thenaround the 1926. Serial No. 122,343.

smaller pulley 31 which is rotatably mounted beneath the pulley 30. Thislatter cable 29 then passes about a grooved pulley 32 which is securedin place in a similar manner as the pulley 27. A collar bracket 33 ismounted on the side of the portion 14 of the U- shaped bracket and. intothis member the lower end of a longitudinally curved fiat spring 34 isslipped.

The device is manipulated by moving or reciprocating the pad 21 in avertical plane while the latter is in contact with the outer surface 35or inner surface of a window pane. By pulling the cable 26, the pad 21and block 22 are lifted upwardly as this block and pad are suspendedfrom the cable. The opposite cable 29 when pulled, draws the paddownwardly and completes a reciprocating motion of the pad. The guidepost 15 is normally in upright position when the spring 34 is inplace,-and in order to rotate this guide post, the spring 34 is removedfrom the collar 33, after which the guide post may be freely rotateddownwardly to permit the operator to replace one pad with another.

It is to be noted that certain changes in form and construction may bemade without departing from the spirit and scope of the invention.

I claim 1. A device 0] the class described comprising a carriage, aguide post, a pad slidably supported thereon, said. guide post beingpivoted to said carriage, a grooved pulley at the upper end of saidpost, a pair of grooved pulleys at the lower end of said post, cablestrained on said pulleys attached to said pad for reciprocating thelatter, a strap mounted on said carriage, and flexible means in saidstrap for normally retaining the guide post in upright position whenpositioned adjacent a window,

2. A device of the class described comprising a carriage, a guide post,a pad slidably supported thereon. said guide post be ing pivoted to saidcarriage, a grooved pulley at the upper end of said post, a pair ofgrooved pulleys at the lower end of said post, cables trained on saidpulleys attached to said pad for reciprocating the latter, a strapmounted on said carriage, flexible means in said strap for normallyretaining the guide postin upright position when adjacent a windowcomprising a longitudinally curved fiat spring having its lower endmserted m said sleeve and its upper end engaging the guide post toresiliently retain said guide post in vertical position.

A device of the class described comprising a channelled carriage adaptedto receive the lower rail of a Window sash, a guide post pivoted to saidcarriage, a rectangular pad slidably supported thereon, said guide postbeing pivoted to one side Wall of said earriage, a grooved pulleyrotatably mounted at the extreme upper end of said post, a sec- 0ndpulley mounted at the lower end of said post, cables trained on saidpulleys 'lor ree'iproeat-ing the pad, said cables being attached to saidpad from above and below the latter, a strap rigidly mounted on one sideWall of said carriage, and spring means mounted in said strap extendingupwardly adjacent the post for urging said post in upward positiontoward the Window glass.

In testimony whereof I affix my signature.

LIARIE CHRISTELER.

